package com.harbour.mmall.controller.backend;

import com.harbour.mmall.common.Const;
import com.harbour.mmall.common.ResponseCode;
import com.harbour.mmall.common.ServerResponse;
import com.harbour.mmall.pojo.User;
import com.harbour.mmall.service.ICategoryService;
import com.harbour.mmall.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.servlet.http.HttpSession;

@Controller
@RequestMapping("/manage/category")
public class CategoryManageController {

    @Autowired
    private IUserService iUserService;

    @Autowired
    private ICategoryService iCategoryService;

     /*
     *@RequestParam(value="parentId",defaultValue = "0")
     * 做个限制，如果前端没有传parentId的时候，我们给个默认值为0produces = MediaType.APPLICATION_JSON_UTF8_VALUE
     * **/
     @RequestMapping(value = "add_category.do")
     @ResponseBody
     public ServerResponse addCategory(HttpSession session, String categoryName,@RequestParam(value="parentId",defaultValue = "0") int parentId){
         User user = (User) session.getAttribute(Const.CURRENT_USER);
         if(user == null){
             return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录，请登录");
         }
         //校验一下是否是管理员
         if(iUserService.checkAdminRole(user).isSuccess()){
             //是管理员,增加我们处理分类的逻辑
            return iCategoryService.addCategory(categoryName,parentId);

         }else{
             return ServerResponse.createByErrorMessage("无权限操作，需要管理员权限");
         }
     }

    @RequestMapping("set_category_name.do")
    @ResponseBody
    public ServerResponse setCategoryName(HttpSession session,Integer categoryId,String categoryName){
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if(user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录，请登录");
        }
        //校验一下是否是管理员
        if(iUserService.checkAdminRole(user).isSuccess()){
            //是管理员,更新我们处理分类的逻辑
            return iCategoryService.updateCategoryName(categoryId, categoryName);
        }else{
            return ServerResponse.createByErrorMessage("无权限操作，需要管理员权限");
        }
    }

    @RequestMapping("get_category.do")
    @ResponseBody
    public ServerResponse getChildrenParallelCategory(HttpSession session,@RequestParam(value = "categoryId",defaultValue = "0")  Integer categoryId){
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if(user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录，请登录");
        }
        //校验一下是否是管理员
        if(iUserService.checkAdminRole(user).isSuccess()){
            //查询子节点的category信息，并且不递归，保持平级
            return iCategoryService.getChildrenParallelCategory(categoryId);
        }else{
            return ServerResponse.createByErrorMessage("无权限操作，需要管理员权限");
        }
    }

    @RequestMapping("get_deep_category.do")
    @ResponseBody
    public ServerResponse getCategoryAndDeepChildrenCategory (HttpSession session,@RequestParam(value = "categoryId",defaultValue = "0")  Integer categoryId){
        User user = (User) session.getAttribute(Const.CURRENT_USER);
        if(user == null){
            return ServerResponse.createByErrorCodeMessage(ResponseCode.NEED_LOGIN.getCode(),"用户未登录，请登录");
        }
        //校验一下是否是管理员
        if(iUserService.checkAdminRole(user).isSuccess()){
            //查询当前节点的id和递归子节点的id
            return iCategoryService.selectCategoryAndChildrenById(categoryId);
        }else{
            return ServerResponse.createByErrorMessage("无权限操作，需要管理员权限");
        }
    }




}
